Parking Servis is a mobile application for paying parking fees in Belgrade. You can use it to pay for parking in a lot, garage, or on the street. The app is very easy to use, and you don't need to sign a contract to use it. The application is designed to work in a very simple way. The first thing you need to do is to download the application. You will be guided through the installation process. You will be asked to enter your name and phone number. This is the sign-up process. You will then be informed about the details of the service and the cost.